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[v2,2/9] dt-bindings: mmc: sprd: Add another optional clock documentation

Message ID 84abb6b282b1fbce0c39ebd2b42ca4c18118f863.1559635435.git.baolin.wang@linaro.org (mailing list archive)
State Not Applicable, archived
Headers show
Series [v2,1/9] mmc: sdhci-sprd: Check the enable clock's return value correctly | expand

Commit Message

Olof Johansson June 4, 2019, 8:14 a.m. UTC
For some Spreadtrum platforms like SC9860 platform, we should enable another
gate clock '2x_enable' to make the SD host controller work well. Thus add
documentation for this optional clock.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
 .../devicetree/bindings/mmc/sdhci-sprd.txt         |    1 +
 1 file changed, 1 insertion(+)
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diff --git a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
index 45c9978..a285c77 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-sprd.txt
@@ -14,6 +14,7 @@  Required properties:
 - clock-names: Should contain the following:
 	"sdio" - SDIO source clock (required)
 	"enable" - gate clock which used for enabling/disabling the device (required)
+	"2x_enable" - gate clock controlling the device for some special platforms (optional)
 Optional properties:
 - assigned-clocks: the same with "sdio" clock